diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index ea6ba7c..3da9a28 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -10,7 +10,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4]
+                php: [7.3, 7.4, 8.0, 8.1, 8.2, 8.3, 8.4, 8.5]
                 dependency-version: [prefer-lowest, prefer-stable]
 
         name: PHP ${{ matrix.php }} - ${{ matrix.dependency-version }}
diff --git a/composer.json b/composer.json
index 937279d..776b37f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         }
     ],
     "require": {
-        "php": "^7.3|^7.4|^8.0|^8.1|^8.2|^8.3|^8.4"
+        "php": "^7.3|^7.4|^8.0|^8.1|^8.2|^8.3|^8.4|^8.5"
     },
     "require-dev": {
         "adamwojs/php-cs-fixer-phpdoc-force-fqcn": "^2.0",